{"uid":"cap_oqpGTJ9FO-Pvixv0xBgOa","slug":"lumi-acp-offering-contract-linter-06103a89","name":"LUMI ACP Offering Contract Linter","description":"Check an ACP offering's published contract before you buy. Detects listings that declare no JSON deliverable schema, name required fields they never declare, or specify no input schema at all — the defects that make a purchase unverifiable after the fact. Reads the public listing only; nothing is purchased or executed. Deterministic, no model judgment. A PASS means the listing is machine-checkable — it is not a correctness guarantee and says nothing about output quality.","url":"https://app.tenna.ai/api/x402/lumi/lumi_acp_offering_contract_lint","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"offering":{"type":"string","const":"acp_offering_contract_lint","description":"Offering identifier. Must be exactly 'acp_offering_contract_lint'."},"offeringContract":{"type":"object","description":"Published offering object with its requirements and deliverable schemas."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JSOQapv4O5-2BEWqYnGWb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates an ACP offering's published contract for structural defects — missing JSON deliverable schemas, undeclared required fields, or absent input schemas — without purchasing or executing the offering.","exampleAgentPrompt":"Before I buy this ACP offering, can you lint its published contract using LUMI to check whether it has a declared JSON deliverable schema, all required fields are defined, and the input schema is present — just read the public listing, don't purchase anything.","exampleUseCases":[{"title":"Pre-purchase offering contract check","prompt":"I'm about to buy an ACP offering but want to make sure the contract is actually machine-checkable first — can you run the LUMI contract linter on this offering object and tell me if it passes or what defects it finds?"},{"title":"Marketplace due diligence for agent builder","prompt":"I'm building an agent that auto-purchases ACP services and I need to filter out listings with broken contracts — lint this offering contract with LUMI and flag it if it's missing a deliverable schema or has undeclared required fields."},{"title":"Audit offering before integration","prompt":"We're integrating an ACP offering into our pipeline and want to validate the contract structure before wiring it up — can you use LUMI to check that its input schema and deliverable schema are properly declared and there are no missing field definitions?"}],"resultDescription":"A deterministic PASS or FAIL verdict indicating whether the offering contract is machine-checkable, accompanied by a list of specific structural defects found — such as missing JSON deliverable schema, required fields that are referenced but never declared, or a completely absent input schema. A PASS confirms the listing is structurally verifiable but does not guarantee output quality or correctness.","failureModes":["Invalid or unrecognized offering identifier returns an error","Malformed offeringContract object (not valid JSON/object) causes a parse error","Missing required 'offering' field results in a validation error","Offering contract with no schema properties at all may return ambiguous results","Network or payment failure for the $0.01 USDC x402 transaction blocks the call"],"whenToPreferThis":"Use this endpoint when you need a fast, deterministic, zero-purchase structural check of an ACP offering contract — specifically to catch listings that lack JSON deliverable schemas, reference undeclared required fields, or have no input schema at all. Prefer this over manual inspection or model-based judgment when you want a binary machine-checkable verdict before committing to a purchase. Ideal for automated pre-purchase pipelines or marketplace quality filters.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:44:34.028Z","isFirstParty":false}